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+// Copyright 2014, VIXL authors
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+// * Redistributions of source code must retain the above copyright notice,
+// this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright notice,
+// this list of conditions and the following disclaimer in the documentation
+// and/or other materials provided with the distribution.
+// * Neither the name of ARM Limited nor the names of its contributors may be
+// used to endorse or promote products derived from this software without
+// specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND
+// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "examples.h"
+
+#define __ masm->
+
+void GenerateAdd3Double(MacroAssembler* masm) {
+ // double add3_double(double x, double y, double z)
+ // Argument locations:
+ // x -> d0
+ // y -> d1
+ // z -> d2
+ __ Fadd(d0, d0, d1); // d0 <- x + y
+ __ Fadd(d0, d0, d2); // d0 <- d0 + z
+
+ // The return value is already in d0.
+ __ Ret();
+}
+
+
+#ifndef TEST_EXAMPLES
+#ifdef VIXL_INCLUDE_SIMULATOR
+int main(void) {
+ MacroAssembler masm;
+ Decoder decoder;
+ Simulator simulator(&decoder);
+
+ // Generate the code for the example function.
+ Label add3_double;
+ masm.Bind(&add3_double);
+ GenerateAdd3Double(&masm);
+ masm.FinalizeCode();
+
+ // Run the example function.
+ double a = 498.36547;
+ double b = 23.369;
+ double c = 7964.697954;
+ simulator.WriteDRegister(0, a);
+ simulator.WriteDRegister(1, b);
+ simulator.WriteDRegister(2, c);
+ simulator.RunFrom(masm.GetLabelAddress<Instruction*>(&add3_double));
+ printf("%f + %f + %f = %f\n", a, b, c, simulator.ReadDRegister(0));
+
+ return 0;
+}
+#else
+// Without the simulator there is nothing to test.
+int main(void) { return 0; }
+#endif // VIXL_INCLUDE_SIMULATOR
+#endif // TEST_EXAMPLES